不ふ虞ぐ

noun, noun which may take the genitive case particle 'no'

unforeseen occurrence; unexpected event; accident

Rare literary term for an unforeseen or accidental event. Cross-referenced with 不慮, which is the common modern equivalent.

See also: 不慮

• 「不ふ虞ぐ」は古ふるい文ぶん章しょうで不ふ慮りょの出で来き事ごとを指さすことがある。

  In old writing, 不虞 can refer to an unforeseen event.